tree 7886f6ecd3b7e7fb1359b89ab94a3871af63ede4
parent 97a4feb4a78ae5cd130be7d546471a0779f1aa14
author Masami Hiramatsu <mhiramat@redhat.com> 1209456226 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1209481588 -0700

relayfs: support larger relay buffer

Use vmalloc() and memset() instead of kcalloc() to allocate a page* array when
the array size is bigger than one page.  This enables relayfs to support
bigger relay buffers than 64MB on 4k-page system, 512MB on 16k-page system.

[akpm@linux-foundation.org: cleanup]
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: David Wilder <dwilder@us.ibm.com>
Reviewed-by: Tom Zanussi <zanussi@comcast.net>
Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>